import java.util.Scanner;

/**
   Reads a string and counts all vowels contained in that string.
   Vowels are A E I O U a e i o u. 

   Input: the value of s, a string
   Output: the number of all the vowels in s
*/
public class CountVowels
{
   public static void main(String[] args)
   {      
      Scanner in = new Scanner(System.in);
      String s = in.nextLine();
      int count = 0;

      char[] demo = s.toCharArray();
      String str = "AEIOUaeiou";
      char[] Vowels=str.toCharArray();
        for (int i = 0; i < demo.length; i++) {
           for (int j = 0; j < 10; j++){
            if (demo[i] == Vowels[j]) {
                count++;
              }
            }
        }    



      System.out.println(count);
   }
}